Conservation of Mass Gum Lab- Remix

Name___________________________________   Pd __________ Date___________________________


Problem: What is the effect of chewing on the mass of gum?


Hypothesis:  If ____________________________________________________________________, 


Then_____________________________________________________________________________.


Identifying variables: 



Independent Variable


Dependent variable


Controlled Variables







Procedure: Write a step-by-step procedure that another person could follow to answer the question





Data:

Gum Trial

Original Mass

Mass after chewing

Difference

Original mass- mass after chewing

Calculate percent lost

(Difference/ Original mass)

Trial 1





Trial 2





Trial 3





Trial 4






What are the ingredients in your gum?




What other observations did you make as you chewed the gum? (Write at least three)







Conclusions:

In the space below, write a Claim, Evidence, Reasoning (CER) paragraph to answer the original question based on the data.



Question

What is the effect of chewing on the mass of the gum?

Claim

(A sentence that answers the question.)


Evidence

(Give detailed evidence from your lab observations and any outside research you did.)


Reasoning

(Explain why your evidence supports your claim.  Be sure to reference your understanding of scientific principles that apply here such as the law of conservation of mass and the definition of eating or solubility.)





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